US3030080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing discrete solid material from a pit
Assignee: PONCA CITY IND FOUNDATION
•
Filing: 1958-10-08
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Granted: 1962-04-17
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Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Marvin L Hise
- 👤 Max A Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:17
CPC Classifications
B; B65; B65G; B65G65/00; B65G2814/00; B65G2814/03; B65G2814/0301; B65G2814/0326; B65G2814/0328; B65G2814/0331; B65G2814/0334
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599101A
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DE473767C
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US953624A
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US1106038A
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US1085676A
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US2013276A
Cited
US2415617A
Cited
US2722759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |